ETC-12

ETC-12, trip units and programmers, type ETC Q Series, aftermarket direct replacement retrofit kit tripping device programmer, for Schneider Electric, Satin, Square D, Merlin Gerin, Masterpact circuit breakers, designed to replace all original STR trip units & programmers, including STR18M, STR28D, STR38S, STR58U & STR-68U, suitable for use with all type M,MP frame insulated case circuit breakers, programmable to any amperage requirement, no rating plug needed, this offers all protective functions & time current curves of the original STR models, as well as several additional options including, digital display complete with three phase ammeter and detailed trip logging, full function with defeatable options, RMS sensing and much more.